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package org.plotnikov.pricemaker;

/**
 *
 * @author alexey
 */
public class Session {

    private int shift = 2;

    private Session(){

    }

    private static Session session = null;

    public static Session getSession(){
        if (session == null){
            session = new Session();
        }
        return session;
    }

    public void setShift(int shift) {
        this.shift = shift;
    }

    public int getShift() {
        return shift;
    }
    
}
